Jet lag can be one of the most annoying parts of flying long distances and is classified as a type of circadian rhythm sleep disorder. The Boeing 787 Dreamliner’s revolutionary cabin design helps passengers arrive relatively more refreshed and a little less jet-lagged. While the Boeing 787 is not unique in this regard, as most of the innovations are also found on the Airbus A350, it was the first airliner to offer this level of passenger comfort.